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jaybrinkmeyer(at)yahoo.co
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 Posted: Sat Nov 18, 2006 10:38 am Post subject: backup fuel pump question |
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While shooting the breeze recently with a 17000+ hour pilot I commented that my
fuel pump had just arrived. He said, "Just one? Where's the backup pump going
to go?". I then realized that I had never thought about it before, but there
only a single pump in the tunnel. Is there another "backup" pump that maybe
mounts directly on the engine (e.g. io540)? What have others done here?
Thanks in advance,
Jay
- Rivet purgatory on fuse skins
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dlm46007(at)cox.net
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| Posted: Sat Nov 18, 2006 10:51 am Post subject: backup fuel pump question |
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the primary pump is the engine driven fuel pump on the IO540 designed to go
to TBO. If it fails, the tunnel electric is the backup; it is also used for
priming to start.
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deruiteraircraftservices(
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| Posted: Sun Nov 19, 2006 1:22 am Post subject: backup fuel pump question |
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Hi,
The pump in the tunnel is actually your back up pump. The lycoming has a
mechanical fitted on the rear housing which does all the pumping under
normal operation.
The best about this system is that you have to "check" your back up pump to
prime the system.
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